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Objects with greater mass tend to fall faster on Earth than objects that are less massive, because of air resistance.

A. True

B. False

How do you calculate heat resistance

1. in hooke; s law, F = kX, what does the K stand for? A. the constant of gravity B. the elastic constent, a number that tells the relative strangth of the spring C. the amount of force acting on the spring D. the distance the spring stretches 2.

D. protons and neutrons have charges of the same magnitude but opposite sign. true or false

If a ball is given a push so that it has an initial velocity of 5 m/s down a certain inclined plane, then the distance it has rolled after t seconds is given by the following equation. s (t) = 5t + 2t2 (a) Find the velocity after 2 seconds.

Use the concept of fields to describe how forces can act from a distance.

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?